Information, Innovation and Diffusion of Technology

Willi Semmler

Journal of Evolutionary Economics, 1994, vol. 4, issue 1, 45-58

Abstract: The paper presents an infinite horizon model of innovation and diffusion incorporating features from recent advances in evolutionary economics. A stochastic variant is explored which posits that technological knowledge is costly to obtain, requiring resource expenditure. There are heterogeneous agents: optimizing as well as non-optimizing agents. The optimizing agents incur an innovation cost. The return from inventive investment is random. The non-optimizing agents, operating existing technologies, behave solely adaptively. Cross-effects between those two types of agents give rise to the multiple equilibria, path-dependence, diversity of diffusion processes and a coexistence of different technologies. Some policy conclusions are drawn in the last section.

Date: 1994
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